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Search: id:A056111
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| A056111 |
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Highest proper factor of n!+1. |
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+0
3
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| 1, 1, 1, 1, 5, 11, 103, 71, 661, 19099, 329891, 1, 36846277, 75024347, 3790360487, 22163972339, 1230752346353, 538105034941, 336967037143579, 1713311273363831, 117876683047, 1188161445853707907
(list; graph; listen)
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OFFSET
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0,5
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LINKS
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Hisanori Mishima, Factorizations of many number sequences
Hisanori Mishima, Factorizations of many number sequences
R. G. Wilson v, Explicit factorizations
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FORMULA
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a(n) = A038507(n)/A051301(n)
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MATHEMATICA
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a[n_] := Divisors[n!+1][[ -2]]
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CROSSREFS
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Cf. A002583, A038507, A051301, A056110.
Corrected and extended by Dean Hickerson, Aug 30, 2001
Sequence in context: A030085 A113403 A022006 this_sequence A090160 A062652 A075706
Adjacent sequences: A056108 A056109 A056110 this_sequence A056112 A056113 A056114
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KEYWORD
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nonn
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), Jun 12 2000
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